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