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