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