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