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