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