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