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