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)(13,14,18,25,20,26,19,24)(15,27,31,39,32,44,30,43)(16,33,35,22,36,23,17,37)(21,28,40,29,42,34,41,38)(5,7,8,11)(6,9)(10,12)(13,15,17,38,19,31,36,28,20,32,35,29,18,30,16,34)(14,21,33,27,25,41,22,43,26,42,23,44,24,40,37,39)(1,2,3,4)(13,16,18,35,20,36,19,17)(14,22,24,33,26,37,25,23)(15,28,30,38,32,34,31,29)(21,39,40,44,42,43,41,27)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.