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