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