This is also true, that every girl in the world will like that her prince charming should take his first step to propose her. However, this is also true that most of the guys are shy enough and only some of them are courageous enough to a girl whom they like. So if you want a man to approach you, you'll have to make it as easy as possible for him.
Yes, you will have to make yourself approachable, only then you may get him to make you his girlfriend. If you are always with the group of your friends, then how can you expect him to come to you and approach. You will have to give him some time so that he may be able to find you alone and feel safe approaching you without any fear of being ridiculed by your friends.
Also breaking away from your group of friends for a minute and giving a guy a nice smile lets him know that you might be attracted to him and gives him an opportunity to approach you without the risk of being embarrassed in front of all of your friends.
Here is a short video that will let you know "How to Get Him to Make You His Girlfriend"