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