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)(17,18,23,25)(19,24,21,20)(22,26,31,32)(27,30,29,28)(33,34,39,37)(35,41,36,40)(38,42,46,45)(43,48,44,47)(2,7)(3,12)(9,13)(10,16)(17,19,23,21)(18,24,25,20)(22,27,31,29)(26,30,32,28)(33,35,39,36)(34,40,37,41)(38,43,46,44)(42,47,45,48)(2,7)(4,14)(8,11)(10,16)(18,25)(19,21)(26,32)(27,29)(33,35,39,36)(34,41,37,40)(38,43,46,44)(42,48,45,47)(1,3)(2,8)(4,10)(5,9)(6,12)(7,11)(13,15)(14,16)(17,20,23,24)(18,19,25,21)(22,30,31,28)(26,29,32,27)(33,36,39,35)(34,41,37,40)(38,43,46,44)(42,47,45,48)(1,4,6,14)(2,9,7,13)(3,10,12,16)(5,11,15,8)(17,21,23,19)(18,24,25,20)(22,29,31,27)(26,30,32,28)(33,37,39,34)(35,41,36,40)(38,45,46,42)(43,48,44,47)(1,5)(2,10)(3,13)(4,11)(6,15)(7,16)(8,14)(9,12)(17,22)(18,26)(19,27)(20,28)(21,29)(23,31)(24,30)(25,32)(33,38)(34,42)(35,43)(36,44)(37,45)(39,46)(40,47)(41,48) 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.