One vertex per element, one color per generator, with an edge from x to x·s.
(1,2,5,8)(3,9,11,6)(4,12,13,7)(10,14,16,15)(17,18)(19,24)(20,29)(21,25)(22,26)(23,27)(28,31)(30,32)(1,3,5,11)(2,6,8,9)(4,10,13,16)(7,14,12,15)(17,19,23,30)(18,24,27,32)(20,25,31,26)(21,28,22,29)(17,20,23,31)(18,19,27,30)(21,24,22,32)(25,28,26,29)(1,4,5,13)(2,7,8,12)(3,10,11,16)(6,14,9,15)(17,21,23,22)(18,25,27,26)(19,28,30,29)(20,24,31,32)(3,11)(6,9)(10,16)(14,15)(17,18)(19,20)(21,26)(22,25)(23,27)(24,29)(28,32)(30,31) 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.