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