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