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