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)(15,20,25,32)(16,21,27,33)(17,22,31,34)(23,35,39,26)(24,36,42,29)(28,37,30,38)(40,44,41,43)(6,9)(7,11)(13,15,19,25)(14,20,18,32)(16,26,27,35)(17,29,31,36)(21,23,33,39)(22,24,34,42)(28,40,30,41)(37,44,38,43)(2,4)(5,7,8,11)(6,10,9,12)(13,16)(14,21)(15,23)(17,30)(18,33)(19,27)(20,35)(22,38)(24,41)(25,39)(26,32)(28,31)(29,44)(34,37)(36,43)(40,42)(6,9)(10,12)(16,27)(21,33)(23,39)(26,35)(28,30)(37,38)(40,41)(43,44) involution — undirected(13,17,19,31)(14,22,18,34)(15,24,25,42)(16,28,27,30)(20,36,32,29)(21,37,33,38)(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.