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