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