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