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