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