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