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