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