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