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