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