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