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)(15,21)(16,23)(19,24)(20,25)(29,30)(31,37)(32,35)(33,36)(34,39)(38,43)(40,42)(41,44) involution — undirected(6,10)(8,11)(14,18)(19,24)(20,25)(26,28)(29,30,33,36)(31,34,39,37)(32,35,41,44)(38,42,40,43)(5,7)(6,11)(8,10)(9,12)(13,14,17,18)(15,19,21,24)(16,20,23,25)(22,26,27,28)(29,30)(31,37)(32,35)(33,36)(34,39)(38,43)(40,42)(41,44)(1,2)(3,4)(5,7)(6,8)(9,12)(10,11)(13,15,17,21)(14,19,18,24)(16,22,23,27)(20,26,25,28)(29,31)(30,34)(32,40)(33,39)(35,43)(36,37)(38,41)(42,44)(5,8)(6,12)(7,10)(9,11)(13,16)(14,20)(15,22)(17,23)(18,25)(19,26)(21,27)(24,28)(29,32,33,41)(30,35,36,44)(31,38,39,40)(34,42,37,43)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.