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