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