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