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