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