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)(13,14,19,23,20,24,18,17)(15,25,27,37,28,36,34,21)(16,29,31,30,32,22,33,38)(26,40,42,35,43,39,41,44)(5,6)(7,11)(8,10)(9,12)(13,15,20,28)(14,21,24,37)(16,26,32,43)(17,25,23,36)(18,27,19,34)(22,35,29,44)(30,39,38,40)(31,41,33,42)(2,4)(5,7)(6,9)(8,12)(10,11)(13,16)(14,22)(15,26)(17,30)(18,33)(19,31)(20,32)(21,35)(23,38)(24,29)(25,39)(27,42)(28,43)(34,41)(36,40)(37,44) involution — undirected(7,12)(9,11)(13,17,18,24,20,23,19,14)(15,21,34,36,28,37,27,25)(16,30,33,29,32,38,31,22)(26,35,41,40,43,44,42,39)(6,10)(9,11)(13,18,20,19)(14,23,24,17)(15,27,28,34)(16,31,32,33)(21,36,37,25)(22,30,29,38)(26,41,43,42)(35,39,44,40)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.