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