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