Open the Google Sheet, select the sheet of your class and copy all the whole timetable, and then paste the content into a new Google Document.
Add information that is useful for your and remove the information which is not related to you. Edit the timetable to make it personal. "Find and replace" and "Copy and Paste" should be used to make your task easier.
Format your timetable with the skills that you have learnt if the lesson. You may us a Colour Scheme Generator to generate beautiful colour schemes.
Export your timetable as a PDF when you have finished editing.
Submit your work with the follow files:
add the Google Document file of your timetable;
upload the PDF of your timetable.