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