One vertex per element, one color per generator, with an edge from x to x·s.
(5,6)(7,11)(8,9)(10,12)(13,14,16,20)(15,23,25,37)(17,30,28,43)(18,31,29,22)(19,32,33,26)(21,36,35,24)(27,42,41,39)(34,40,38,44)(1,2)(3,4)(6,9)(10,11)(13,14)(15,19)(16,20)(17,21)(18,22)(23,26)(24,30)(25,33)(27,34)(28,35)(29,31)(32,37)(36,43)(38,41)(39,40)(42,44) involution — undirected(2,4)(13,15,24,40,18,27,28,32,16,25,36,44,29,41,17,26)(14,19,30,39,22,34,35,37,20,33,43,42,31,38,21,23)(5,7,8,12)(6,10,9,11)(14,20)(15,25)(21,35)(22,31)(26,32)(27,41)(30,43)(40,44)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.