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