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