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