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