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