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