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