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