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