ER Diagram Creation for Data Visualization

I'm in need of an ER diagram primarily to visualize data relationships. The complexity of the relationships between entities is moderate.
More instructions upon messaging
Ideal Skills:
- Proficiency in database design and ER diagram creation
- Strong analytical skills to understand and visualize data relationships

Experience:
- Prior work with creating ER diagrams for moderate complexity systems
- Experience in using software tools for ER diagram creation