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