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