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