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