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