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