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