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