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