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