Gradually Caylà started to emerge as one of the most dynamic politicians of the Catalan Carlism. In late 1931, already as part of the ongoing unification of three Traditionalist branches, he was nominated the provincial Tarragona jefe and soon took part in re-organization of , engineered by its new leader Manuel Fal. Its revitalized paramilitary section was called into action during the October 1934 insurgency, as Caylà ordered mobilisation of provincial Requeté. Some sources claim that he prevented the Catalanists from seizing power in Tarragona, other works suggest that his role was marginal. Afterwards he lambasted Generalitat for launching a potentially most inhuman and uncivilized mayhem that Catalonia has ever seen.