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