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