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