The score says how it ended. xG says how it should have ended: it is the sum of the chances each shot was worth, not an opinion about the game.
The score matched the game: Getafe was the better side by chances too.
Getafe: +1.3 for the season (11 in the table). Málaga: −2.4 (20). The gap between points and xPTS is built from matches like this one.