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