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