One vertex per element, one color per generator, with an edge from x to x·s.
(1,2,5,9,6,10,4,7)(3,8,13,15,11,16,12,14)(17,18,22,27,23,26,21,28)(19,29,20,25,31,32,30,24)(2,7,10,9)(3,11)(8,15,16,14)(12,13)(17,19,22,20,23,31,21,30)(18,24,28,32,26,25,27,29)(1,3,5,13,6,11,4,12)(2,8,9,15,10,16,7,14)(17,20,22,31,23,30,21,19)(18,25,27,32,26,24,28,29)(3,11)(8,16)(12,13)(14,15)(18,26)(24,25)(27,28)(29,32) involution — undirectedA Cayley diagram is a choice, not a fact about the group. Another drawing of this group — in a book, or on a different generating set — may look nothing like this one.