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