This is great! I think it's great that you want to keep these qualities at the forefront of everyone's mind each time you meet.
My only recommendation, would be to use short, punchy definitions for each characteristic. For example: Caring (or Compassionate) We will honor God's love for ourselves and each other in all that we do. (Keep it in the active voice)
The reason I make this recommendation is that if it's easier to memorize, they'll take it with them and it will be brought to mind often.
On another topic, the 3 qualities you want in your group provide a great outline that you could use for a discussion group or bible study...just a thought.
Great job! I wish my youth group had this kind of leadership and direction when I was there! Good luck...keep us posted!