If you want to pot up cuttings, be sure to choose a pot that is slightly bigger than the plants root sysyem.  That gives it a little room to grow but at the same time there isn’t too much room.  Put enough compost in the bottom of the pot to cover the base.

When you lower the roots into the pot, keep them well spread out.

Now fill the pot with compost until it is almost up to the rim.  Firm it with your knuckles and water lightly.

If you want the plant to grow bushy instead of long, nip the growing tip at the top of each shoot.  This will then cause the plant to start sprouting side shoots out within weeks.