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