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