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