Put this line of code on your @BeforeClass method and every given call will create a log just like using log.all() after every given:
RestAssured.filters(new RequestLoggingFilter(), new ResponseLoggingFilter());
Rest-Assured project:
https://github.com/rest-assured/rest-assured/blob/master/rest-assured/src/main/java/io/restassured/filter/log/RequestLoggingFilter.java