One vertex per element, one color per generator, with an edge from x to x·s.
(1,2,5,8,6,9,4,14)(3,10,12,7,13,15,11,16)(18,23)(19,26)(20,21)(24,31)(25,29)(27,28)(1,3,5,12,6,13,4,11)(2,7,8,15,9,16,14,10)(17,18)(19,24)(20,29)(21,23)(22,25)(26,30)(27,32)(28,31)(17,19,21,26,22,28,20,27)(18,24,23,30,25,31,29,32)(1,4,6,5)(2,8,9,14)(3,11,13,12)(7,15,16,10)(17,20,22,21)(18,23,25,29)(19,27,28,26)(24,30,31,32)A Cayley diagram is a choice, not a fact about the group. Another drawing of this group — in a book, or on a different generating set — may look nothing like this one.