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