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