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