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