One vertex per element, one color per generator, with an edge from x to x·s.
(1,2,4,5)(3,7,8,6)(9,10,14,12)(11,15,13,16)(17,18,22,26)(19,24,20,23)(21,29,30,25)(27,31,28,32)(2,5)(6,7)(9,11,14,13)(10,15,12,16)(17,19,22,20)(18,23,26,24)(21,27,30,28)(25,31,29,32)(1,2)(3,6)(4,5)(7,8)(9,11,14,13)(10,16,12,15)(17,18)(19,23)(20,24)(21,25)(22,26)(27,31)(28,32)(29,30)(1,2)(3,6)(4,5)(7,8)(9,12,14,10)(11,15,13,16)(17,18)(19,24)(20,23)(21,25)(22,26)(27,32)(28,31)(29,30)(1,3,4,8)(2,6,5,7)(9,13,14,11)(10,15,12,16)(17,20,22,19)(18,24,26,23)(21,28,30,27)(25,32,29,31)(17,21,22,30)(18,25,26,29)(19,27,20,28)(23,31,24,32)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.