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