Just do it
Have clarity about the color scheme that you want to use.
Choose a font family for descriptions
Organize the portfolio in a way that ties colors together.
Add links to a documented portfolio if you can. Here's how I did it:
Adobe Acrobat or PDF Expert
Send to your friends. Ask if your portfolio caught their eye. Be sure to welcome all feedback.
Remember that while an eye-catching portfolio is important, you still have to do non portfolio work that feels good.