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