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