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