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)(11,13)(12,14)(15,16)(17,18,21,22)(19,23,24,20)(26,27)(28,32)(1,2,4,5)(3,7,8,6)(9,10,12,14)(11,13,15,16)(17,19,21,24)(18,20,22,23)(26,27)(30,31)(2,5)(6,7)(11,15)(13,16)(18,22)(20,23)(25,26,29,27)(28,30,32,31)(1,2)(3,6)(4,5)(7,8)(9,11,12,15)(10,13,14,16)(17,20)(18,19)(21,23)(22,24)(25,27,29,26)(28,31,32,30)(1,3)(2,6)(4,8)(5,7)(9,10)(11,13)(12,14)(15,16)(17,19)(18,20)(21,24)(22,23)(25,28)(26,30)(27,31)(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.