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