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)(19,24)(20,26)(21,27)(22,32)(23,28)(25,31)(29,30)(33,34,38,41)(35,42,37,39)(36,44,46,40)(43,47,45,48)(4,11)(7,9)(12,16)(14,15)(17,19,23,29)(18,24,28,30)(20,27,31,22)(21,25,32,26)(33,34)(35,39)(36,40)(37,42)(38,41)(43,47)(44,46)(45,48)(2,3)(7,9)(8,10)(14,15)(17,20,23,31)(18,25,28,26)(19,22,29,27)(21,30,32,24)(33,35,38,37)(34,39,41,42)(36,45,46,43)(40,48,44,47)(1,3,6,2)(4,9,11,7)(5,10,13,8)(12,15,16,14)(17,20)(18,26)(19,27)(21,24)(22,29)(23,31)(25,28)(30,32)(33,36,38,46)(34,40,41,44)(35,43,37,45)(39,47,42,48)(1,4,6,11)(2,7,3,9)(5,12,13,16)(8,14,10,15)(17,21,23,32)(18,27,28,22)(19,26,29,25)(20,30,31,24)(33,37,38,35)(34,39,41,42)(36,43,46,45)(40,48,44,47)(1,5,6,13)(2,8,3,10)(4,12,11,16)(7,14,9,15)(17,22,23,27)(18,21,28,32)(19,20,29,31)(24,25,30,26)(33,34)(35,39)(36,40)(37,42)(38,41)(43,47)(44,46)(45,48)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.