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