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