Yalu maybe?Unfortunately you cannot.
@MacManiac76 is correct.
Last jailbreak for 32-bit devices was for iOS 9.1.
I have a iPhone 5 and it is jailbroken, but it's on 9.0.1.
The chances of a jailbreak for 32-bit devices coming at all are non-existant. No one is focusing on 32-bit devices any more.