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