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)(10,14)(11,20)(12,15)(13,18)(17,19)(21,22) involution — undirected(7,9)(8,13)(10,18)(11,21)(12,19)(14,17)(15,22)(16,20) involution — undirected(4,6) involution — undirected(7,8)(9,17)(10,14)(11,20)(12,15)(13,21)(16,19)(18,22) involution — undirected(7,10,12,11)(8,14,15,20)(9,18,19,21)(13,17,22,16)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.