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