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