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