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