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