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