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