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