It is quite normal to ask for a presentation, as it is easier than reading pages and pages of beginners' reports. Your supervisor is most likely a busy individual that tries to manage people, supervise a few students, bring money in, write research proposals, teach, mark, and spend time with their lovely family.
Also keep in mind that people lose their attention span after 15 to 20 minutes. Try to keep it short, and to the point without waffling around.
In the first slide start with the introduction (why is your topic important/ background).
Move to the aims and objectives. (3-4 bullet points)
Summarise the literature/ identify gaps.
Propose a methodology.
Think where you will find participants/ fieldwork
Present a time schedule/ publications/ conference papers you plan to produce.
Of course it is very early on, so you might not be able to answer all the above questions... just try to keep a very clear structure, and don't add more that 5 bullet points per slide.
I am sure you will be fine. It is an informal meeting that you just get to know each other. All the above will keep evolving every month.