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)(15,23)(16,21)(17,19)(18,30)(20,27)(22,24)(25,36)(26,35)(28,32)(29,41)(31,37)(33,40)(34,38)(39,43)(42,44) involution — undirected(2,3)(6,9)(10,12)(14,19)(16,28)(20,31)(22,30)(23,35)(25,39)(29,38)(40,44) involution — undirected(1,2,4,3)(13,15,24,37,17,26,18,27)(14,20,30,35,19,31,22,23)(16,25,38,44,28,39,29,40)(21,33,41,43,32,42,34,36)(1,3,4,2)(13,16)(14,21)(15,25)(17,28)(18,29)(19,32)(20,33)(22,34)(23,36)(24,38)(26,39)(27,40)(30,41)(31,42)(35,43)(37,44)(5,7,8,11)(6,10,9,12)(16,28)(21,32)(25,39)(29,38)(33,42)(34,41)(36,43)(40,44)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.