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