Aglaonema plants are great for adding a pop of color with their vibrant leaves! For light, while they can tolerate lower light conditions, you'll get the best leaf color in bright, indirect light. Just avoid direct sunlight as it can scorch the leaves.
In terms of watering, I've found that letting the soil dry out slightly between waterings works well. You might want to try the "finger test"—stick your finger about an inch into the soil, and if it feels dry, it's time to water. Also, consider using a pot with drainage holes to prevent water from sitting at the bottom, which helps avoid root rot. These techniques should help maintain those beautiful leaves!