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