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