How to "actually" network for jobs at ML conferences? [D]

Attending ICML for the first time (virtually) next week as a 3rd year PhD student in the US. I want to get into industry after finishing and have heard a lot about the benefits of networking at conferences to build industry connections. How do you actually go about doing this? Are there gonna be industry reps at the conference who you just go up to and talk to, send LinkedIn connections, and get to know them? Previously only been to one domain-specific conference and had more students/academic people than i