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