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