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