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