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