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