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