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