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