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