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