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