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