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