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