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