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