This TWRP works in Jiayu S3 which rebranded by CM FLARE X. I believe it could be work too.
Note: Do it at your own risk.
Step 1:Install rashr_tool.apk
Install flashify (download in google playstore)Step 2: Move the recovery.img in your SDCARD outside the folder which you can see easily.
Step 3: Open Rashr Tools Grant SuperSu
Click Recovery from Storage
Then choose Recovery.img Click OK