The Tantrasara describes her iconography: Bagalamukhi sits in the golden throne from the midst of an ocean in an altar. Her complexion is yellow (golden). Clad in yellow dresses, she is adorned by a garland of yellow flowers and decked with yellow (golden) ornaments. The Baglamukhi Mantra is helpful https://www.youtube.com/watch?v=IOlRdolK0uM&t=2s