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