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