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