Cash Flow Statement is the mandatory for the Corporate Sector & generally Drawing is not made in the corporate sector.
Drawing in case of proprietorship company, firms & withdrawn by proprietor / partner effect the company B/S & through the reduction of assets ( cash reduction in case of cash withdrawn, other asset reduction in cash of specific assets withdrawn) & reduction of owner equity.
If Drawing in not regular activities, DRAWING reported as FINANCIAL Activities & use as OUTFLOW of cash (if other asset withdrawn except cash, it's not a part of CASH FLOW STATEMENT, it's reported as Supplementary Notes on the Statement of Cash Flow).
If Drawing is not regular activities, it's not reported as OPERATING ACTIVITIES, because it's treated as REMUNERATION or OWNER LOAN. Owner provide CAPITAL, when owner takes LOAN from business, it's reported under FINANCIAL ACTIVITIES.
In cash of withdrawn regularly, it's better to reported as OPERATING ACTIVITIES.
Income Statement does not effected by withdrawn by the owner / partner