Bring a large pot of water to a boil. Add pasta, and cook 8 to 10 minutes or until al dente. Add shrimp; bring to a boil. Add snow peas, and stir. Cook 1 to 2 minutes or just until shrimp turn pink. Drain and run under cold water, shaking out excess water. Transfer pasta to a large bowl. Add remaining ingredients; toss to combine.