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