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