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