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