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