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