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