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