Combine first 3 ingredients in a medium saucepan; cook over medium-high heat until sugars dissolve. Bring to a boil; reduce heat, and simmer 5 minutes. Remove from heat, and stir in coffee granules. Let cool. Combine coffee mixture, vodka, and coffee beans; pour into a 1-gallon jar. Cover tightly, and store in a dark place at room temperature at least 2 weeks. Shake jar gently once daily.
Pour mixture through a wire-mesh strainer lined with 2 layers of cheesecloth into jars, discarding coffee beans. Cover tightly. Store at room temperature.
Use in beverages, low-fat eggnog, or low-fat cake fillings and batters.