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)(7,12)(9,11)(13,15,17,24)(14,20,19,33)(16,25,28,38)(18,32,30,26)(21,34,27,41)(22,36,31,23)(29,44,43,40)(35,39,42,37)(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)(14,19)(16,28)(20,33)(22,31)(23,36)(25,38)(29,43)(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.