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