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)(17,18,24,31,23,26,22,27)(19,28,21,20,25,32,29,30)(1,3,5,4)(2,6,8,7)(9,10)(11,15)(12,14)(13,16)(17,19,23,25)(18,20,26,30)(21,24,29,22)(27,32,31,28)(1,3,5,4)(2,7,8,6)(9,11,12,16)(10,13,14,15)(17,20)(18,25)(19,26)(21,27)(22,28)(23,30)(24,32)(29,31)(11,16)(13,15)(17,21,22,19,23,29,24,25)(18,20,27,28,26,30,31,32)(1,4,5,3)(2,7,8,6)(10,14)(13,15)(18,26)(20,30)(27,31)(28,32)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.