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