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