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