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