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