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