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)(15,20,27,37)(16,29,17,31)(18,33,34,23)(21,32,22,30)(25,39,26,41)(28,44,43,38)(35,42,36,40)(1,2)(3,4)(5,7)(6,10)(8,11)(9,12)(13,15,19,27)(14,20,24,37)(16,25,17,26)(18,28,34,43)(21,35,22,36)(23,38,33,44)(29,39,31,41)(30,40,32,42)(2,4)(13,16,19,17)(14,21,24,22)(15,25,27,26)(18,32,34,30)(20,35,37,36)(23,31,33,29)(28,42,43,40)(38,41,44,39)(6,11)(7,12)(13,17,19,16)(14,22,24,21)(15,26,27,25)(18,30,34,32)(20,36,37,35)(23,29,33,31)(28,40,43,42)(38,39,44,41)(5,8,9,10)(6,7,11,12)(15,27)(20,37)(25,26)(28,43)(35,36)(38,44)(39,41)(40,42)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.