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