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