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