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