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