One vertex per element, one color per generator, with an edge from x to x·s.
(1,2,6,9,5,8,14,16)(3,10,12,13,11,7,15,4)(17,18,21,25)(19,27,29,46)(20,31,34,45)(22,36,33,26)(23,38,39,28)(24,41,43,35)(30,47,37,42)(32,44,48,40)(1,3)(2,7)(4,9)(5,11)(6,12)(8,10)(13,16)(14,15)(17,19,21,29)(18,23,25,39)(20,32,34,48)(22,37,33,30)(24,42,43,47)(26,44,36,40)(27,45,46,31)(28,41,38,35)(1,4,6,10,5,13,14,7)(2,3,9,12,8,11,16,15)(3,11)(4,13)(7,10)(12,15) 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.