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