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