If you want to change the name or location of this folder you can do so by following the steps below. When you download Google Drive to your PC a default folder will be created in C:\Users\Google Drive.
Here is what I tried on a Windows pc to do in order to test this: This could be a kind of sync of your Google drive on a network drive, however I recommend doing this on an empty folder of your NAS since it will try to sync everything on the folder at the moment. A way that you can kind of sync you Google drive, is to select the Google drive folder into a network device, however this would require the computer to be turned on in order to sync Google drive on your NAS.