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