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