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