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