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