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