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