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