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)(17,18)(19,28)(20,25)(21,24)(22,26)(23,27)(29,30)(31,32)(35,37)(36,40)(43,45)(44,46)(1,3,7,13)(2,8,4,11)(5,6,12,16)(9,10,14,15)(17,19,23,21)(18,24,27,28)(20,29,26,31)(22,30,25,32)(33,34,39,42)(35,36,37,40)(38,41,47,48)(43,44,45,46)(2,4)(8,11)(9,14)(10,15)(17,20,23,26)(18,25,27,22)(19,29,21,31)(24,32,28,30)(33,35,39,37)(34,40,42,36)(38,43,47,45)(41,46,48,44)(1,4,7,2)(3,8,13,11)(5,14,12,9)(6,10,16,15)(17,20)(18,25)(19,29)(21,31)(22,27)(23,26)(24,32)(28,30)(33,36,39,40)(34,35,42,37)(38,46,47,44)(41,45,48,43)(1,5)(2,9)(3,6)(4,14)(7,12)(8,10)(11,15)(13,16)(17,21,23,19)(18,24,27,28)(20,31,26,29)(22,30,25,32)(33,37,39,35)(34,40,42,36)(38,43,47,45)(41,44,48,46)(1,6)(2,10)(3,12)(4,15)(5,13)(7,16)(8,14)(9,11)(17,22,23,25)(18,26,27,20)(19,30,21,32)(24,31,28,29)(33,38,39,47)(34,41,42,48)(35,43,37,45)(36,44,40,46)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.