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