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