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