Since December 1, 2020, she has served as Salvadoran Ambassador to the United States of America, having been appointed by president Nayib Bukele.

Mayorga is a retired model and beauty pageant contestant who represented El Salvador in Miss Universe 1996, where she finished in the top ten.

After graduating high school, Mayorga became a model for Willie Maldonado in the longest-running TV show in El Salvador, Fin de Semana.

As a legislator, in relation to corruption, Mayorga supported the creation of the Permanent Commission against Corruption, the creation of the International Commission against Impunity in El Salvador, and a law for the repatriation of stolen or evaded capital.

[5] In regard to foreign relations, she supported the creation of a special commission to monitor the situation of Salvadorans residing in the United States before the termination of Temporary Protected Status, a law for the exercise of the vote from abroad in the 2021 Salvadoran legislative election, reform of the migration and immigration legislation, and ratification of the Treaty on the Prohibition of Nuclear Weapons.