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