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)(19,28,31,23)(20,33,34,25)(22,37,36,27)(24,38,43,35)(29,44,30,40)(32,41,48,45)(39,46,42,47)(1,3)(2,5)(4,8)(6,7)(9,10)(11,14)(12,13)(15,16)(17,19)(18,23)(20,30)(21,31)(22,32)(24,42)(25,40)(26,28)(27,41)(29,34)(33,44)(35,47)(36,48)(37,45)(38,46)(39,43) involution — undirected(10,13)(14,16)(17,20)(18,24)(19,29)(21,34)(22,38)(23,39)(25,27)(26,43)(28,42)(30,31)(32,47)(33,37)(35,36)(40,45)(41,44)(46,48) involution — undirected(2,6)(5,7)(9,11,12,15)(10,14,13,16)(17,20)(18,25)(19,30)(21,34)(22,35)(23,40)(24,27)(26,33)(28,44)(29,31)(32,47)(36,38)(37,43)(39,45)(41,42)(46,48)(3,8)(5,7)(10,13)(14,16)(20,34)(24,43)(25,33)(29,30)(35,38)(39,42)(40,44)(46,47) 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.