It's directly under the tank, so the tank needs to be removed.
You can see the filter once the tank is lifted or removed, there is a plate that needs undoing then pushing aside so you can get to the filter but it's all very straightforward.
Get some rags to catch the old fuel when you unclip it, and make sure the engine is cool as well.
And remember to turn the fuel tap back on when you put it all back together.