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