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