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