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)(17,18,23,28)(19,26,21,24)(20,30,31,25)(22,27,29,32)(34,37)(39,41)(40,45)(46,47)(1,3,6,11)(2,7,4,9)(5,13,14,10)(8,16,12,15)(17,19,23,21)(18,24,28,26)(20,22,31,29)(25,27,30,32)(34,37)(36,44)(39,41)(42,48)(2,4)(5,14)(7,9)(10,13)(17,20,23,31)(18,25,28,30)(19,29,21,22)(24,32,26,27)(33,34,38,37)(35,41,43,39)(36,45,44,40)(42,46,48,47)(1,4,6,2)(3,9,11,7)(5,12,14,8)(10,16,13,15)(17,21,23,19)(18,26,28,24)(20,22,31,29)(25,27,30,32)(33,35,38,43)(34,39,37,41)(36,42,44,48)(40,46,45,47)(1,5)(2,8)(3,10)(4,12)(6,14)(7,15)(9,16)(11,13)(17,22)(18,27)(19,20)(21,31)(23,29)(24,25)(26,30)(28,32)(33,36,38,44)(34,40,37,45)(35,42,43,48)(39,46,41,47)(1,3)(2,7)(4,9)(5,10)(6,11)(8,15)(12,16)(13,14)(17,18)(19,24)(20,25)(21,26)(22,27)(23,28)(29,32)(30,31)(33,37,38,34)(35,41,43,39)(36,45,44,40)(42,47,48,46)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.