It's a pdf; most security software, like NoScript, won't let it display automatically; I was able to see it fine once I allowed the page.
As for a more streamlined cheat sheet, do what my students do: write in small type, with concise sentences and keep it well organized (Magic, Combat, Consequences, etc).
However, I think that the two-page cheat sheet at the back of Your Story is already pretty workable, and it's available from the RPG site:
http://www.dresdenfilesrpg.com/downloads/