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