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