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