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