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