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