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