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