More IELTS Speaking part 3 links.  (I've used these successfully in my own classes).  Both of these focus on Useful language

Signposting Language – Speaking Part 3

and

IELTS Speaking: Useful Vocabulary for PART 3

She first link is a PDF that is already to print out for the students.  

The second link needs to be copied and pasted onto a worksheet for the students.  My version is here: docs, pub

(I'm linking to this here as part of an effort to keep track and index my materials).