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