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