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