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