All the “colored” infantry regiments in the best periods of their existence were deployed to the size of divisions (including several regiments under different numbers), and then, under the influence of losses, they again decreased to the size of the regiment. So for sure there were several banners - and several different types. In addition, there was also the equestrian Alekseevsky regiment, which was also part of the Alekseevsky division, but it had other color differences.
At the moment, I know only one banner of the infantry regiment. This is the headquarters flag. His drawings are preserved in the diary of one of the officers of this regiment.
I made a reconstruction of this banner: