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