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