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