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