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