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