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.
A draw, but Liverpool created more (1.80 xG against 0.92) — points dropped.
Liverpool: +1.1 for the season (6 in the table). Fulham: −3.1 (19). The gap between points and xPTS is built from matches like this one.