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