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