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