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