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