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