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)(25,38)(26,39)(28,41)(29,40)(32,34)(35,43)(36,42)(37,44)(1,3,4,2)(5,7)(6,9)(8,12)(10,11)(7,12)(9,11)(13,15,25,42,18,26,17,27,19,28,31,43,16,29,32,44)(14,20,34,39,21,36,22,24,23,37,30,40,33,35,38,41)(6,10)(9,11)(13,16,19,18)(14,21,23,33)(15,26,28,29)(17,25,32,31)(20,35,37,36)(22,30,38,34)(24,39,41,40)(27,43,44,42)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.