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