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