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