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