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