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