Macaroni Salad for a Crowd

INGREDIENTS

• 1 (16 ounce) package uncooked macaroni
• 8 hard-cooked eggs, grated
• 1 (6 ounce) can black olives, drained and chopped
• 1 medium red onion, finely chopped
• 1 (10 ounce) jar dill pickle relish, partially drained
• 1 tablespoon prepared yellow mustard, or to taste
• 1/2 cup mayonnaise, or as needed
• salt and black pepper to taste
• 4 hard-cooked eggs, sliced
• paprika to taste