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