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)(16,21)(17,22)(18,19)(23,28)(24,25)(26,27)(29,30,33,36)(31,34,38,41)(32,35,39,42)(37,40,43,44)(6,9)(10,12)(14,19)(15,21)(22,27)(23,25)(29,31,33,38)(30,34,36,41)(32,37,39,43)(35,40,42,44)(5,6,8,9)(7,10,11,12)(13,15,18,21)(14,20,19,16)(17,25,26,23)(22,24,27,28)(29,30)(31,34)(32,35)(33,36)(37,40)(38,41)(39,42)(43,44)(1,2)(3,4)(13,16,18,20)(14,21,19,15)(17,24,26,28)(22,25,27,23)(29,31)(30,34)(32,37)(33,38)(35,40)(36,41)(39,43)(42,44)(5,7)(6,10)(8,11)(9,12)(13,17)(14,22)(15,23)(16,24)(18,26)(19,27)(20,28)(21,25)(29,32,33,39)(30,35,36,42)(31,37,38,43)(34,40,41,44)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.