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