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