Every fingering that fits a hand
x320
open
8656
hard
865x
easy
89b9
hard
What is true of it
D♯dim is D♯, F♯ and A — 1, b3 and b5 counted from D♯.
The easiest of the 4 fingerings below is x320: 2 fingers, held at the 2nd fret.
1 of them use open strings, which is what makes a shape quiet to change to.
1 string stays silent.
Where its notes are on the neck
The brass dots are D♯, the root. Everything else is a chord tone with its degree printed in it.
With a different note underneath
D♯dim/F♯
x656
D♯dim/A
2320
An inversion is the same chord with a different note lowest. The name changes to a slash name because the bass is what a listener hears as the foundation.