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