He played for the two biggest teams in Costa Rica, starting out in Alajuelense in the early 1980s, and later switching to their arch-rivals Saprissa before the 1988 season.

During the early 1990s, Cayasso played in the Bundesliga with Stuttgarter Kickers, and later came back to Saprissa, where helped his team win several titles more.

In January 1996 he moved to Turrialba after finding it hard to get playing time at Saprissa[7] and in November 1996, Cayasso joined Goicoechea.

[10] Nicknamed el Nene (the Kid),[11] he made his debut for Costa Rica in 1983 and has earned a total of 49 caps, scoring 9 goals.

[13][15] After coaching second division side El Roble, Cayasso took the reins at Limonense in January 2005, working for free since his hometown club was heavily in debt.