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