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