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