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