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