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