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