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