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