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