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