Me gusta tu/su traje (informal/formal).
If you are referring specifically to a woman's dress (i.e. a skirt or gown) you should say, Me gusta tu/su vestido.
Lleva puesto un vestido
su vestido se ve muy bonita hoy
Me gusta tu abrigo
I like your clothes = Me gusta su ropa
The noun "dress" in spanish is "vestido"
"white dress" translates to, "vestido blanco" in Spanish.
how do you dress = ¿Cómo te vistes?
El vestido
vestido informal
los zapatos
They dress normal more like American style
Typically, the answer to your question is to say "I like dresses." If you like a particular dress, you should say "I like this dress." If you like the act of putting clothes on your body or on somebody else's body, you should say "I like to dress myself/somebody else."
Me encanta ese vestido
Odio este traje
Pantalones de vestir
As in "put on a costume", it would be "disfrazarse". To dress well is "ponerse elegante."