The standard grips this chord is usually shown with.
Faug is F, A and C#, a augmented triad. The shape this page opens on is written 1x3221, lowest string first.

Also written F+, F(#5) or F augmented. The same chord either way; which spelling you meet depends on who wrote the chart.
There are 9 common shapes for Faug on the guitar, and 45 derived voicings in the triad family.
The common shapes, written lowest string first: 1x3221, xx3221, xx7665, x8766x, x-8-x-10-10-9, x-8-11-10-10-x, x-x-x-10-10-9, 13-12-11-10-10-x, x-x-15-14-14-13.
Triad. Three notes across one string set. Faug has xxx221, xx3221, xx322x, x432xx, x0322x, x4322x, 543xxx, xxx665.
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.