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