Interviewers like to see that you spend some of your time giving back to your community or to a group that is close to your heart. It can say a lot about your character. If you haven't volunteered, let the interviewer know that you are anxious to give time back to your community once you find the right opportunity.
"Yes, I currently volunteer for the Kids Cancer Foundation. I have also spent time volunteering at the local animal shelter. I believe in showing care and compassion during my work hours, and outside of them. It's an important part of who I am."