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