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