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