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