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