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)(15,21)(16,28)(17,34)(18,24)(19,36)(20,25)(22,32)(23,27)(26,39)(29,37)(30,41)(31,40)(33,43)(35,38)(42,44) involution — undirected(1,2)(3,4)(6,10)(11,12)(13,15,20,27)(14,21,25,23)(16,29,33,30)(17,19,35,18)(22,39,40,44)(24,34,36,38)(26,31,42,32)(28,37,43,41)(5,7,9,8)(6,11,10,12)(13,16,19,32,20,33,18,31)(14,22,24,28,25,40,36,43)(15,26,17,29,27,42,35,30)(21,37,38,39,23,41,34,44)(2,4)(13,17,19,27,20,35,18,15)(14,23,24,34,25,21,36,38)(16,30,32,26,33,29,31,42)(22,37,28,39,40,41,43,44)(5,8,9,7)(6,11,10,12)(13,18,20,19)(14,24,25,36)(15,17,27,35)(16,31,33,32)(21,34,23,38)(22,28,40,43)(26,29,42,30)(37,44,41,39)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.