"Love your neighbor" is LIKE it. That's just a very soft way of equating the love of God found in all people. You don't discriminate in whom you should love. Therefore, God is found in all humans. And I would add that God is found in all living things, not just humans.
I am sure you will be aware of what the Apostle John wrote in this regard: "Whoever claims to love God yet hates a brother or sister is a liar. For whoever does not love their brother and sister, whom they have seen, cannot love God, whom they have not seen." (1 John 4), and this sort of runs along the lines.
But John is not simply pointing out that Loving God is meaningless here rather he implies that it is by Loving others (and the sense of Love here is Agape as opposed to feelings such as Philos, Eros or Storge) that we Love God, because this is Gods command that we Love Him.
This Love is not merely a demonstration of the Golden rule, that says "do no harm" either. Rather this Love of God that we are to have for one another is one that always lays down its own life for the benefit of the neighbor even to death in imitation of Him.
Furthermore, as humans in sin it is ultimately impossible for us to Love completely (in the sense of Agape) unless we are acting from the power of the Creator. The very best Love that a human can offer fails at the point where the individual runs out of resources and/or dies (which is the same thing), whereas the Creator has infinite resources to draw from whereby He can Love even through death, as Christ Jesus demonstrated to us.
So a person that is Loving in this way does not shrink from terrible loss or death because they are confident that the same God who raised Jesus from the dead also works in them, and that He will not leave them or forsake them.
To "love your God" is meaningless because everyone has a different version of God. It has not been defined, so that statement doesn't even meaning anything.
It is quite irrelevant what "versions" of gods that people carry around in their heads because God is not an invention of man, rather man is the creation of God, and God has put His law in our hearts so that we all know what it is that we should be doing. That we do not know Him does not mean that we should not seek Him, quite the opposite in fact.
The God of Agape Love is well defined (He) is the Creator of all things created, The Uncaused cause who gave the name "I Am" to Moses, and we call Him YHWH. He is the God of Abraham and Isaac, Jacob, David and the Prophets. He demonstrates his Love for us through Christ Jesus in that while we were still in enmity with Him Christ was crucified, died and was buried, then on the third day God raised Him from the dead for the salvation and restoration of all and so that we can live in relationship with Him and so Love our neighbor as He has Loved us.
This is Love.