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