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