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