The standard grips this chord is usually shown with.
Fsus2 is F, G and C, a suspended second. The shape this page opens on is written 133x13, lowest string first.

Also written F2 or F suspended 2nd. The same chord either way; which spelling you meet depends on who wrote the chart.
There are 8 common shapes for Fsus2 on the guitar, and 49 derived voicings in the triad family.
In which keys. Every note of Fsus2 belongs to C major (the IV), C minor (the iv), D minor (the ♭III), Eb major (the ii), F major (the I), F minor (the i), G minor (the ♭VII), Ab major (the vi), A minor (the ♭VI) and Bb major (the V).
The common shapes, written lowest string first: 133x13, xx3563, x85568, xx5568, x-8-10-10-8-8, 13-10-10-12-13-x, x-10-10-10-13-13, 13-x-x-12-13-13.
Triad. Three notes across one string set. Fsus2 has xx301x, xxx011, xx3011, xx3013, 1330xx, x3301x, 333xxx, x330xx.
The common shapes and the derived voicings come from different places, and both are explained in where the chords and the theory come from.
Shows each chord the way this style would voice it, and marks which of its alternatives belong to the idiom.