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