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