Make all the signs of a particular kind point towards each other until their location is revealed.
The final Daylight gate sign not being rotatable means make them all point towards it and the path will appear.
If you want a walkthrough, I'm still working on it, but hopefully it helps:
https://docs.google.com/document/d/166yYzBLztdJjoAdXFQrsHttu7wtVDqnGcqNfl1lZaL0/...
Spoilers:
The only exceptions are the Secret signs that need to point to the intersections of both signs to create hidden pathways.