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