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