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