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