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