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