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