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