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