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