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