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