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