You should take a look a this : SonataAdminBundle custom rendering of text fields in list
Define a new custom type for the list and use it to display your boolean attribute :
$listMapper
->add('my_boolean', 'custom_type')
And your new type template :
{% extends 'SonataAdminBundle:CRUD:base_list_field.html.twig' %}
{% block field%}
{% if value == 1 %}
<a href="...">Change to 0</a>
{% else %}
<a href="...">Change to 1</a>
{% endif %}
{% endblock %}
If needed, you can access to current object and the admin in your template :
{% set editable = admin.isGranted('EDIT', object) and object.foo == true %}
{% if editable == true %}
{% if value == 1 %}
<a href="...">Change to 0</a>
{% else %}
<a href="...">Change to 1</a>
{% endif %}
{% else %}
{{ value }}
{% endif %}
For more information on what you can access in the template, take a look at all the default list templates of Sonata :