Yes, you may make notes of the pointers or the gist that you would follow to encapsulate the points given on the cue cards. For this, you may take that three minutes, which you would be getting to prepare yourself for the role-plays. Since that is a part of the preparation, you are free to make notes. You may use the cue card to write short notes of what you plan to say while you are in a role. However, ensure that your script does not exceed five minutes, as you would only be assessed for five minutes for each role.