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