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