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