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