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