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