The focus of pytorch is not on data processing. All related issues must be resolved with the help of third-party toolkits. You can use the StandardScaler of scikit-learn. Of course, you can also learn about skorch (usually you don’t need this package, just scikit-learn).
https://scikit-learn.org/stable/modules/generated/sklearn.preprocessing.StandardScaler.html?highlight=standardscaler#sklearn.preprocessing.StandardScaler 6