Born in Mali, Diaward played at youth level for Swedish club FC Djursholm.
Diawara signed a three-year contract with Landskrona BoIS on 30 November 2021.
[6] On 12 January 2024, Diawara signed with SCR Altach in Austrian Bundesliga on a deal until June 2027.
[7] On 10 July 2024, he was loaned out to Kuopion Palloseura (KuPS) in Finnish Veikkausliiga for the rest of the 2024 season.
[8] One week later, he scored in his second appearance for the club, in a UEFA Conference League qualifying win against UNA Strassen.