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