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