Your schema does show a stacked pair of two M4350, and a set of GS7xx PoE switches in a combination (like a poor-men's-stack), each with a redundant set of connections in a LAG.
Don't want to start a philosophic discussion on stacking vs. MLAG however:
What for do you plan to use VRRP for? Any security appliances or routers for handling multiple Internet connections around this for example not on the schema?
Maybe you could start understanding how this works on our switch from the link below and you will see few links at the bottom of the page are some of our articles about VRRP configuration that might help.
