The pages linked to above are D3.js force directed layouts - with click and drag enabled.
Party colours as follows (grey is for those who do not vote - by abstentionist policy - in case of Sinn Féin - or by position - the Speakers) :-
To find a specific MP use your browser's search function. On a desktop/laptop: Ctrl+F (aka Cmd + F on a Mac) and type the name - that finds it and, for me using Firefox, highlights it. On mobile: Menu > Find in page (on mobile Chrome it centred graph on the name but did not highlight it).
You can get the kind of layout seen in the 1st of the three images below without any clicking or dragging.
Or you can click and drag the yellow nodes representing the various Brexit options and perhaps get something similar to the 2nd and 3rd of the three images below.
The above image from 1st April - whereas the image below is from the votes up & including vote 29th March. The group of the SNP and Labour MPs supporting the Common Market option is the major change.