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