For the Italian Style Pasta Salad, cook the pasta according to package directions until al dente, drain and let cool. Chop tomatoes, olives and mozzarella and place in a large bowl with the oil from the tomatoes.
Add cooled pasta. Add mayonnaise, milk, sugar, Italian herbs, salt and pepper and mix well.
Chill the Italian style pasta salad for at least 1 hour, stirring frequently.