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