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