The Luxeon M only has 2 terminals, so if you want the dice within the single emitter connected in series, you have to buy the 11.2 volt version. If you want them 2S2P, you buy the 5.6V version.
The two "+" pads on the star are connected together, so should be considered one terminal, as are the two "-" pads.
If you want to connect stars in series, connect "+" of one star to "-" of the next star. Repeat as necessary. Then connect the driver to the two remaining terminals.