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