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