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