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