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