I like nothing better than to sit on a stool, in the corner of the room and just be.
Don't feel the need to make conversation. When women are in established labour it is important not to overstimulate them mentally. They should be left just to get on with it and to "go into themselves". You can read through the notes, if you feel the need to "do" something.
Dory has written a great blog entry on just this.