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