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