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