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