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