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