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