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