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