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