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