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