First and foremost have an impressive data science knowledge. Most people evaluating you for data science would give two hoots about how colourful your CV is. Graphics people convey their skills via a fancy CV - your skills are in analysis and mathematical techniques and programming abilities - none of these are well communicated by a fancy CV.
That said, your CV must be professional looking, neat and crisp. People should know what you have worked on (including given your experience academic projects) and what relevant courses you have taken in college and outside e.g. MOOCs