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