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