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