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