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)(16,24)(26,28)(30,34)(31,37)(32,39)(43,44) involution — undirected(6,10)(7,12)(14,18)(16,24)(19,22)(23,27)(29,30,33,34)(31,35,37,42)(32,40,39,36)(38,44,41,43)(7,12)(8,11)(13,14,17,18)(15,22,21,19)(16,20,24,25)(23,28,27,26)(29,31)(30,35)(32,41)(33,37)(34,42)(36,44)(38,39)(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)(37,42)(38,43)(39,40)(41,44)(5,8,9,11)(6,12,10,7)(13,16)(14,20)(15,23)(17,24)(18,25)(19,26)(21,27)(22,28)(29,32,33,39)(30,36,34,40)(31,38,37,41)(35,43,42,44)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.