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)(15,17,23,20)(16,24,26,21)(22,25,28,27)(29,30)(31,35)(32,34)(33,40)(36,39)(37,42)(38,44)(41,43)(7,11)(10,12)(14,19)(17,20)(21,24)(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)(14,20)(16,22)(17,19)(18,23)(21,25)(24,27)(26,28)(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)(13,16,18,26)(14,21,19,24)(15,22,23,28)(17,27,20,25)(29,32,34,30)(31,36,39,35)(33,40,42,37)(38,44,41,43)(5,7,8,11)(6,10,9,12)(13,17,18,20)(14,15,19,23)(16,25,26,27)(21,28,24,22)(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.