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