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