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