please find below the answers to your question:
1. I know most consulting firms stopped hiring now, but for next year full time, will they start to hire again?
Some companies are actually still hiring although just in some geographies, while in others they are not recruiting at the moment. No one can know for sure, but I would be surprise if the hiring freeze will still be in place in one year, given the current trend of recovery.
2. If so, any suggestions on what I should do now to prepare? case, networking, etc
For sure networking will be very important, not only for referrals but also to understand which is the real situation in terms of hiring for some offices. You can find more on referrals at the link below:
3. Any suggestions what I need to do during my summer intern to make my resume look better
This is a bit general since we don’t know your specific role and the details of the job, but consulting companies look for experiences that show problem solving, leadership, ability to influence people and entrepreneurial capabilities. Any activity that will help you to develop such experiences would be helpful.