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