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