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