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