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